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wmvenc: check if width is multiple of 2 

The width of wmv1/2 video must be multiple of 2 or win32 codec will fail to decode it (WMP displays black screen).

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Piotr Bandurski 2012-05-13 03:31:52 +02:00 committed by Michael Niedermayer
parent ca297513f0
commit 6108e1be2f
1 changed files with 8 additions and 0 deletions
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8
libavcodec/mpegvideo_enc.c
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@ -508,6 +508,14 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\n");
return -1;
}
if ((s->codec_id == CODEC_ID_WMV1 ||
s->codec_id == CODEC_ID_WMV2) &&
avctx->width & 1) {
av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n");
return -1;
}
if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO) {
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");